latin: redraw old roman cursive

Manually redraw paths for significant size reduction.
Mostly traces the wikimedia image, with missing letters and details derived
from or inspired by other sources:

http://sites.dartmouth.edu/ancientbooks/files/2016/05/IMG_0351-e1464096558181.jpg
http://guindo.pntic.mec.es/jmag0042/LATIN_PALEOGRAPHY.pdf
http://www.katapi.org.uk/G&LPalaeography/Ch15.html